Dandi Palmer 
Original Drawings of Flowers Including Aquilegia, Sunflowers, Chinese Lanterns and Laburnum [EPUB ebook] 

Pictures to use as greetings cards and in other craftwork, or print out and frame. A link to the high resolution PDFs is at the end of the book. Thumbnails of the pictures can be seen at https://www.booksfromdodo.uk/flower_prints.htm